55. 脳動静脈奇形の治療における輸入動脈 clipping の意義

概要

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Feeder clipping of cerebral arteriovenous malformation was performed in five cases in our clinic prior to 1971. Their results in long-term follow-up were studied and reported. Intracerebral hemorrhage had occurred in one case and re-enlargement of nidi was seen in the other four. Three of these five patients were operated on again, and the nidi were removed completely. Moderate neurological deficits remained in all three cases. We would like to emphasize that clipping of the feeding artery does not reduce the possibility of hemorrhage from the arteriovenous malformation. Recently, we experienced one patient who was operated on by the "two-stage" method, and the nidus was removed completely following feeder clipping at the first-stage surgery. Feeder clipping might be efficient for pretreatment in connection with radical surgery.